2-[[1-(Anilinocarbonyl)-2-oxopropyl]azo]-5-[[[[3-carboxy-4-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphophenyl)-1H-pyrazol-4-yl]azo]phenyl]amino]carbonyl]amino]benzoic acid,potassium sodium salt
2-[[1-(Anilinocarbonyl)-2-oxopropyl]azo]-5-[[[[3-carboxy-4-[[4,5-dihydro-3-methyl-5-oxo-1-(3-sulphophenyl)-1H-pyrazol-4-yl]azo]phenyl]amino]carbonyl]amino]benzoic acid,potassium sodium salt